Question

X varies directly as y if x is equal to 7 when Y is equal to 14 by 5 find X when Y is equal to 12 by 5​

Answer 1

value of x = 6

it is given that, x varies directly as y.

i.e., x ∝ y ⇒x = ky , where k is proportionality constant.

given, x = 7 and y = 14/5

so, 7 = k (14/5) ⇒k = 5/2

hence, x = (5/2)y

now we have to find x when y = 12/5

i.e., x = (5/2) × 12/5 = 6

hence, value of x = 6.

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Answer 2

Step-by-step explanation:

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